(19)

(11)

EP 2 036 380 A2

(12)

(88) Date of publication A3: 21.02.2008 (43) Date of publication: 18.03.2009 Bulletin 2009/12 (21) Application number: 07733765.7 (22) Date of filing: 19.06.2007

(51) International Patent Classification (IPC):  H04Q 7/38(0000.00) (86) International application number: PCT/GB2007/050344 (87) International publication number: WO 2007/148133 (27.12.2007 Gazette 2007/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 23.06.2006 GB 0612438 20.12.2006 GB 0625367 (71) Applicant: Nokia Siemens Networks GmbH & Co. KG 81541 München (DE)	(72) Inventors: HANCOCK, Robert Southampton Hampshire SO18 1NW (GB) HEPWORTH, Eleanor Romsey Hampshire SO51 5RE (GB) MCCANN, Stephen Southampton Hampshire SO16 8LT (GB) MCDONALD, Andrew Romsey Hampshire SO51 7UN (GB)